<template>
	<view>
		<view class="login-container">
			<!-- 提示登录的图案 -->
			<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
			<!-- 登录按钮 -->
			<button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
			<!-- 登录提示 -->
			<view class="tips-text">登录后尽享更多权益</view>
		</view>
	</view>
</template>

<script>
import { mapMutations, mapState } from 'vuex';
export default {
	name: 'login',
	data() {
		return {};
	},
	computed: {
		...mapState('m_user', ['redirctInfo'])
	},
	methods: {
		...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateRedirectInfo']),
		getUserInfo(e) {
			if (e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('您取消了登录授权！');
			// console.log(e.detail.userInfo);
			this.updateUserInfo(e.detail.userInfo);
			this.getToken(e.detail);
		},
		async getToken(info) {
			const [err, res] = await uni.login().catch((err) => err);
			if (err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败！');

			const query = {
				code: red.code,
				encrypteData: info.encryptedData,
				iv: info.iv,
				rawData: info.rawData,
				signature: info.signature
			};
			const { data: loginResult } = await uni.$http.post('/api/public/v1/users/wxlogin', query);
			if (loginResult.meta.status !== 200) return uni.$showMsg('登录失败！');
			// uni.$showMsg('登录成功');
			this.updateToken(loginResult.message.token);
			this.navigateBack();
		},
		navigateBack() {
			if (this.redirctInfo && this.redirctInfo.openType === 'switchTab') {
				uni.switchTab({
					url: this.redirctInfo.from,
					complete() {
						this.updateRedirectInfo(null);
					}
				});
			}
		}
	}
};
</script>

<style lang="scss">
.login-container {
	height: 750rpx;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background-color: #f8f8f8;
	position: relative;
	overflow: hidden;

	&::after {
		content: '';
		display: block;
		position: absolute;
		width: 100%;
		height: 40px;
		left: 0;
		bottom: 0;
		background-color: white;
		border-radius: 100%;
		transform: translateY(50%);
	}
	.btn-login {
		width: 90%;
		border-radius: 100px;
		margin: 15px 0;
		background-color: #c00000;
	}
	.tips-text {
		font-size: 12px;
		color: gray;
	}
}
</style>
